3M 3314-5302 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 3314-5302 is a through-hole, right-angle rectangular connector header with 14 positions at 2.54mm pitch. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The connector features shrouded 4-wall construction with solder termination and latch lock/eject hook fastening. Identifying compatible alternatives ensures design flexibility while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	14
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Shrouding	Shrouded - 4 Wall
Termination	Solder
Contact Shape	Square
Contact Finish - Mating	Gold
Contact Finish - Post	Tin-Lead
Contact Material	Copper Alloy
Insulation Material	PCT, Polyester, Glass Filled
Operating Temperature	-55°C ~ 105°C
Current Rating	1.75A
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following core parameters:

Connector type (Header)
Contact type (Male Pin)
Number of positions (14) and rows (2)
Mating pitch (0.100" / 2.54mm)
Row spacing (0.100" / 2.54mm)
Mounting configuration (Through Hole, Right Angle)
Shrouding style (Shrouded - 4 Wall)
Termination method (Solder)
Contact shape (Square)
Contact finish - mating (Gold)
Operating temperature range (-55°C ~ 105°C minimum)
Material flammability (UL94 V-0)
Moisture sensitivity level (1)

Substitute parts are grouped into two categories:

Category 1: Direct 3M Equivalents - Same manufacturer, active product status, identical core electrical and mechanical specifications with minor variations in contact finish post material or fastening mechanism.

Category 2: Cross-Manufacturer Alternatives - HARTING SEK series connectors meeting all critical substitution parameters with variations in insulation material, contact post length, and fastening type.

Parameter Comparison

Parameter	3314-5302	N3314-5302RB	D3314-5002-AR	N3314-5002RB	09185145911	09185145913	09185146911	09185146913	09185146913001	09185147911	09185147913
Manufacturer	3M	3M	3M	3M	HARTING	HARTING	HARTING	HARTING	HARTING	HARTING	HARTING
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
Series	3000	3000	D3000	3000	SEK	SEK	SEK	SEK	SEK	SEK	SEK
Connector Type	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	14	14	14	14	14	14	14	14	14	14	14
Number of Rows	2	2	2	2	2	2	2	2	2	2	2
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Long	Push-Pull	Push-Pull	Latch Lock/Eject Hooks, Short	Latch Lock/Eject Hooks, Short	Latch Lock/Eject Hooks, Short	Latch Lock/Eject Hooks, Short	Latch Lock/Eject Hooks, Short	Latch Lock/Eject Hooks, Short	Latch Lock/Eject Hooks, Short
Contact Length - Mating	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.228" (5.80mm)	0.240" (6.10mm)	0.240" (6.10mm)
Contact Length - Post	0.112" (2.84mm)	0.112" (2.84mm)	0.112" (2.84mm)	0.112" (2.84mm)	0.177" (4.50mm)	0.114" (2.90mm)	0.177" (4.50mm)	0.114" (2.90mm)	0.114" (2.90mm)	0.177" (4.50mm)	0.114" (2.90mm)
Insulation Height	0.340" (8.64mm)	0.340" (8.64mm)	0.340" (8.64mm)	0.340" (8.64mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.335" (8.51mm)
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Contact Finish - Post	Tin-Lead	Tin	Tin	Tin	Tin	Tin	Tin	Tin	Tin	Tin	Tin
Contact Material	Copper Alloy	Copper Alloy	Brass	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy
Insulation Material	PCT, Polyester, Glass Filled	PCT, Polyester, Glass Filled	PCT, Polyester, Glass Filled	PCT, Polyester, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Current Rating	1.75A	1.75A	1.75A	1.75A	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified
RoHS Status	RoHS non-compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Insulation Color	Black	Black	Black	Black	Gray	Gray	Gray	Gray	Black	Gray	Gray

Engineering Selection Recommendations

3M Direct Equivalents (Preferred for Legacy Design Support)

N3314-5302RB is the direct equivalent to the obsolete 3314-5302. Both are 3M 3000 series connectors with identical electrical and mechanical specifications. N3314-5302RB carries active product status and RoHS compliance, making it the primary choice for design continuity. The only material difference is contact finish post composition (Tin versus Tin-Lead), which does not affect functional compatibility.

D3314-5002-AR and N3314-5002RB represent alternative 3M solutions with push-pull fastening instead of latch lock hooks. These parts maintain all critical substitution parameters and offer RoHS compliance. The D3314-5002-AR is supplied in tray packaging, while N3314-5002RB is bulk packaged. Selection between these and the N3314-5302RB depends on fastening mechanism requirements for the application.

HARTING SEK Series Cross-Manufacturer Alternatives

The HARTING SEK series (09185145911, 09185145913, 09185146911, 09185146913, 09185146913001, 09185147911, 09185147913) provides cross-manufacturer substitution with all critical connector parameters aligned. These parts feature ROHS3 compliance and extended operating temperature range (-55°C ~ 125°C versus -55°C ~ 105°C). Variations exist in contact post length (0.114" to 0.177") and contact length mating (0.228" to 0.240"), which must be evaluated against PCB design specifications. HARTING parts use PBT insulation material instead of PCT, and most feature gray insulation color except 09185146913001 (black).

Compliance Considerations

The original 3314-5302 is RoHS non-compliant. All substitute parts listed are RoHS compliant or ROHS3 compliant, supporting modern regulatory requirements. For applications requiring RoHS non-compliant components, the original part must be sourced from legacy inventory.

Frequently Asked Questions (FAQ)

Q: Can N3314-5302RB directly replace 3314-5302 in existing designs?

A: Yes. N3314-5302RB is the direct 3M equivalent with identical connector geometry, pitch, position count, and electrical ratings. The only difference is contact finish post material (Tin versus Tin-Lead), which does not affect mating or electrical performance. Both use latch lock/eject hook fastening.

Q: What is the difference between the 3M parts with latch lock hooks and push-pull fastening?

A: Fastening mechanism differs between part families. The 3314-5302 and N3314-5302RB use latch lock/eject hooks (long), while D3314-5002-AR and N3314-5002RB use push-pull fastening. Both mechanisms provide secure mating but require different connector housing designs. Select based on mating connector availability and application requirements.

Q: Are HARTING SEK series parts fully compatible with 3M 3000 series designs?

A: HARTING SEK parts meet all critical substitution parameters: 14 positions, 2 rows, 2.54mm pitch, through-hole right-angle mounting, shrouded 4-wall construction, and solder termination. However, variations in contact post length (0.114" to 0.177" versus 0.112" for 3M parts) and insulation material (PBT versus PCT) require PCB design verification. Contact post length affects solder joint depth and PCB trace routing.

Q: What is the significance of contact post length variation in HARTING parts?

A: Contact post length determines how far the pin extends through the PCB. HARTING parts with 0.177" post length provide greater solder joint depth, while 0.114" variants are closer to the original 0.112" specification. Longer posts may interfere with component placement on the opposite PCB side. Verify PCB stackup and component layout before substitution.

Q: Does insulation material change (PCT to PBT) affect electrical performance?

A: Both PCT and PBT are glass-filled thermoplastic materials with UL94 V-0 flammability rating. Electrical performance remains equivalent. PBT offers slightly different thermal and mechanical properties but does not impact connector function in standard applications. Both materials support the specified operating temperature range for their respective parts.

Q: Why do HARTING parts have extended operating temperature range (-55°C ~ 125°C)?

A: HARTING SEK series connectors are rated for higher maximum temperature (125°C versus 105°C). This extended range does not affect compatibility with designs requiring only -55°C ~ 105°C operation. Applications requiring higher temperature operation benefit from HARTING substitutes.

Q: What packaging options are available?

A: 3M N3314-5302RB is supplied in bulk packaging. D3314-5002-AR is supplied in tray packaging. HARTING SEK series parts are supplied in bulk packaging. Packaging selection affects handling, storage, and automated assembly compatibility. Verify packaging requirements with procurement and assembly processes.

Q: Are all substitute parts in active production status?

A: Yes. All listed substitute parts carry active product status. The original 3314-5302 is obsolete. Selecting active production parts ensures long-term availability and supply chain stability.

Q: How do I verify mechanical fit before substituting parts?

A: Compare contact post length, insulation height, and contact length mating specifications against PCB design files. Verify mating connector compatibility with the selected substitute. Confirm fastening mechanism (latch lock versus push-pull) matches the mating connector design. Physical sample evaluation is recommended for critical applications.

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